42471487629 has 6 divisors (see below), whose sum is σ = 61347704366. Its totient is φ = 28314325080.

The previous prime is 42471487627. The next prime is 42471487691. The reversal of 42471487629 is 92678417424.

42471487629 is a `hidden beast` number, since 4 + 2 + 4 + 7 + 1 + 4 + 8 + 7 + 629 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38808212004 + 3663275625 = 196998^2 + 60525^2 .

It is not a de Polignac number, because 42471487629 - 2¹ = 42471487627 is a prime.

It is a super-2 number, since 2×42471487629² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471487621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359527082 + ... + 2359527099.

Almost surely, 2^42471487629 is an apocalyptic number.

It is an amenable number.

42471487629 is a deficient number, since it is larger than the sum of its proper divisors (18876216737).

42471487629 is a wasteful number, since it uses less digits than its factorization.

42471487629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719054187 (or 4719054184 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 42471487629 in words is "forty-two billion, four hundred seventy-one million, four hundred eighty-seven thousand, six hundred twenty-nine".